Upgrading my ThinkPad X230? In this economy?

Sometimes the question isn't whether you should do something, but rather whether you could. Wait, I have that the wrong way round, don't I? Well too late, because I already ran commit on this life transaction. "Life transaction"? I have no hope. About this time last year I bought an old ThinkPad X230 for use as a dedicated writing laptop, not dissimilar in purpose to those e-ink machines other…